2024
Changes in the structure of spontaneous speech predict the disruption of hierarchical brain organization in first‐episode psychosis
He R, Alonso‐Sánchez M, Sepulcre J, Palaniyappan L, Hinzen W. Changes in the structure of spontaneous speech predict the disruption of hierarchical brain organization in first‐episode psychosis. Human Brain Mapping 2024, 45: e70030. PMID: 39301700, PMCID: PMC11413563, DOI: 10.1002/hbm.70030.Peer-Reviewed Original ResearchConceptsFirst-episode psychosisSpontaneous speechCortical hierarchyHierarchical brain organizationHigher-order association corticesPicture descriptionMode networkBrain organizationAssociation cortexPsychosisCognitive functionMental dysfunctionPrimary sensorimotorSpeech patternsSyntactic associationsCortical organizationSemantic networkSensorimotorSituational languageSpeechLanguageHierarchical organizationHierarchical distanceNeurocognitionFMRI
2013
Task-related concurrent but opposite modulations of overlapping functional networks as revealed by spatial ICA
Xu J, Zhang S, Calhoun VD, Monterosso J, Li CS, Worhunsky PD, Stevens M, Pearlson GD, Potenza MN. Task-related concurrent but opposite modulations of overlapping functional networks as revealed by spatial ICA. NeuroImage 2013, 79: 62-71. PMID: 23611864, PMCID: PMC3677796, DOI: 10.1016/j.neuroimage.2013.04.038.Peer-Reviewed Original ResearchConceptsCommon brain regionsSpatial independent component analysisDifferent functional networksMedial frontoparietal corticesFunctional networksCognitive tasksBrain regionsFrontoparietal cortexMultiple cognitive processesFunctional magnetic resonance imaging (fMRI) dataHigher-order association corticesTask-related modulationSame brain regionsCognitive processesVisual tasksMagnetic resonance imaging dataVentral tegmental areaPosterior cingulateAssociation cortexHealthy participantsHuman brainTimecoursesSubcortical structuresSpatial ICATask
2007
Sevoflurane 0.25 MAC Preferentially Affects Higher Order Association Areas: A Functional Magnetic Resonance Imaging Study in Volunteers
Ramani R, Qiu M, Constable RT. Sevoflurane 0.25 MAC Preferentially Affects Higher Order Association Areas: A Functional Magnetic Resonance Imaging Study in Volunteers. Anesthesia & Analgesia 2007, 105: 648-655. PMID: 17717218, PMCID: PMC2716177, DOI: 10.1213/01.ane.0000277496.12747.29.Peer-Reviewed Original ResearchConceptsRegional cerebral blood flowFunctional magnetic resonance imagingMAC sevofluraneMotor activation taskAssociation cortexMemory-related regionsAssociation areasVolatile anestheticsVisual cortexBaseline regional cerebral blood flowHigher-order association areasMagnetic resonance imaging studyHigher-order association corticesCerebral blood flowActivation taskSupplementary motor areaPrimary cortical regionsSecondary visual cortexPrimary visual cortexResonance imaging studyFunctional magnetic resonance imaging studyMagnetic resonance imagingArterial spin labeling techniqueASA ISubanesthetic doses
2006
Functional Neuroimaging Applications for Assessment and Rehabilitation Planning in Patients With Disorders of Consciousness
Giacino JT, Hirsch J, Schiff N, Laureys S. Functional Neuroimaging Applications for Assessment and Rehabilitation Planning in Patients With Disorders of Consciousness. Archives Of Physical Medicine And Rehabilitation 2006, 87: 67-76. PMID: 17140882, DOI: 10.1016/j.apmr.2006.07.272.Peer-Reviewed Original ResearchConceptsDisorders of consciousnessHigher-order association corticesStudy of patientsRestoration of functionPrimary cortical areasFunctional magnetic resonanceFunctional neuroimaging techniquesFunctional neuroimaging protocolsPotential clinical applicationsPathophysiologic mechanismsPattern of activationPatient characterizationPositron emission tomography activation studyDifferential diagnosisPrognostic assessmentDisconnection syndromeCortical areasAssociation cortexLarge-scale cortical networksPatientsNeuroimaging protocolVegetative stateNeuroimaging techniquesConscious stateCortical networks
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